Tom and Gisele Brady Will Leave the Light on for You

Sources close to the couple tell us ... G&T placed an order with A-1 Christmas Trees and Lights in L.A. on Tuesday -- purchasing two twelve-foot Christmas trees ... and a whole mess of lights for their house ... totaling approximately $7,500.

Tom and Giselle back in March:

As the Professor would say, I don't want to hear one more goddamned word about my carbon footprint.